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不用了突然明白了……

Posted by 392377379 at 2014-01-07 20:32:21 on Problem 1966
In Reply To:为什么原图中的边在流网络中的等效弧容量为INF Posted by:392377379 at 2014-01-07 20:22:09
给后来的同学提个醒,因为对于源点与汇点相邻的情况,按照题意应该有无数种走法(因为只要求不许重复走除源点和汇点以外的点,所以可以只走源点和汇点),这时最小割应为INF,所以答案应为n……

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